<div class="form-horizontal">

    <div class="box-body">

        <div class="fields-group">

            @foreach($fields as $field)
                {!! $field->render() !!}
            @endforeach
        </div>

    </div>
    <!-- /.box-body -->
</div>
<style>
    .modal-header {
        padding: 10px 15px;
    }
    .modal-body {
        padding: 0 15px;
    }
    .form-group {
        margin-bottom: 5px;
    }

    .nav-tabs-custom>.nav-tabs {
        border-bottom-color: #3c8dbc;
    }
    .nav-tabs-custom>.nav-tabs>li.active>a {
        border-left-color: #3d6e8a;
        border-right-color: #3d6e8a;
    }
</style>